CN107253834A - A kind of regenerating and modifying slurry composition and preparation method thereof - Google Patents
A kind of regenerating and modifying slurry composition and preparation method thereof Download PDFInfo
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- CN107253834A CN107253834A CN201710620716.5A CN201710620716A CN107253834A CN 107253834 A CN107253834 A CN 107253834A CN 201710620716 A CN201710620716 A CN 201710620716A CN 107253834 A CN107253834 A CN 107253834A
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- weight
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- regenerating
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of regenerating and modifying slurry composition and preparation method thereof, ground and formed through wet-milling by the component of following parts by weight：The parts by weight of regenerative micro powder 25~40, the parts by weight of mechanism sand powder 10~15, the parts by weight of stalk ash 15~25, the parts by weight of activity excitant 3~5, the parts by weight of modifying agent 2~5 and the parts by weight of mixing plant recycle-water 25~30.The present invention carries out regenerative micro powder, mechanism sand powder, stalk ash and mixing plant recycle-water the like waste to integrate recycling, and the useless rate of profit is high, meets green production and recycling economy development theory.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of regenerating and modifying slurry composition and its preparation side
Method.
Background technology
At present, China is in urbanization, industrialization Rapid development stage, and infrastructure construction is maked rapid progress, but simultaneously
Also substantial amounts of building and agriculture and industry waste are generated, these discarded objects recycle limited, are increasingly becoming the negative of economy and environment
Load, as restriction city orderly development the problem of.
The construction refuse regenerated fine powder that construction industry castoff regenerative is produced during utilizing has voidage big, thermal conductivity factor
Small, water imbibition is strong, the characteristics of specific surface area is big, and suitable utilization ways are not found in actual production, but it is containing active
Composition, waste of resource and pollution environment can be caused by arbitrarily abandoning.Production mechanism sandstone produce mechanism sand powder be essentially
Without the stone flour of grinding, it is a kind of inertia mixing material, grain composition can be improved, while having micro aggregate effect, can improves
The workability of concrete mix, but there is adverse effect to the intensity of mixture.Straw ash is used as biomass fuel power plant
Waste products, its whereabouts is also urgently to be resolved hurrily, and potassium, calcium, sodium, magnesium, phosphorus element content are larger in straw ash, is unfavorable for the sum of mixture
Yi Xing, but it contains a number of silica, is conducive to improving mixture intensity.Similar to such exclusive use benefit not
Big solid powder discarded object, if learning from other's strong points to offset one's weaknesses with reference to its feature, is mixed modification, optimizes its favorable influence, reduces it
Detrimental effect, will be more conducive to improve its value recycled.
The content of the invention
It is an object of the invention to overcome prior art defect, there is provided a kind of regenerating and modifying slurry composition.
Another object of the present invention is to provide the preparation method of above-mentioned regenerating and modifying slurry composition.
Technical scheme is as follows：
A kind of regenerating and modifying slurry composition, is ground through wet-milling by the component of following parts by weight and formed：Regenerative micro powder 25~
40 parts by weight, the parts by weight of mechanism sand powder 10~15, the parts by weight of stalk ash 15~25, the parts by weight of activity excitant 3~5, change
The property parts by weight of agent 2~5 and the parts by weight of mixing plant recycle-water 25~30；Wherein,
Above-mentioned regenerative micro powder of discarded concrete by being made up, and specific fineness is：25~40% are tailed over by 45um；
Above-mentioned activity excitant by weight ratio be 10~15: 1~2: 50~60: 25~35 Ca2SO4.2H2O, three ethanol
Amine, waterglass and water are mixed；
Above-mentioned modifying agent is mixed for 0.35~0.45: 25~30: 70~75 cellulose ether, slow setting component and water by weight ratio
Conjunction is formed, and above-mentioned slow setting component is at least one of sucrose, sugar calcium and sodium gluconate；
The pH of above-mentioned mixing plant recycle-water is 11~13, and solid content is 1~15%.
In a preferred embodiment of the invention, ground and formed through wet-milling by the component of following percentage by weight：Again
Raw micro mist 25~40%, mechanism sand powder 10~15%, stalk ash 15~25%, activity excitant 3~5% and modifying agent 2
~5%, surplus is mixing plant recycle-water.
It is further preferred that the fineness of the mechanism sand powder is：25~40% are tailed over by 45um.
It is further preferred that the stalk ash is the soaking filter residue with obtained by filtering of straw ash.
It is further preferred that the waterglass is sodium silicate, modulus is 2.6~2.8.
It is further preferred that the cellulose ether is hydroxypropyl methyl cellulose ether, viscosity is：200000mPa·s.
The preparation method of above-mentioned regenerating and modifying slurry composition, comprises the following steps：
(1) each component of activity excitant is weighed in proportion, and each component is added to the water stirring and dissolving to well mixed, system
Obtain the activity excitant；
(2) weigh in proportion in each component of modifying agent, the water that slow setting component, cellulose ether are slowly added to 65~75 DEG C
Stirring and dissolving, places cooling after being well mixed, the modifying agent is made；
(3) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant is weighed in proportion to return
Receive water to be mixed evenly, grinding 15~25min through wet-milling produces the regenerating and modifying slurry composition.
Beneficial effects of the present invention：
1st, the present invention is integrated regenerative micro powder, mechanism sand powder, stalk ash and mixing plant recycle-water the like waste
Recycle, the useless rate of profit is high, meets green production and recycling economy development theory.
2nd, the discarded powder of several individual utilization benefit less is carried out mixing utilization by the present invention, using different powders not
Same impact effect, learns from other's strong points to offset one's weaknesses, and makes the most of the advantage, covers the shortage, and improves its combination property.
3rd, regenerative micro powder, mechanism sand powder, stalk ash and mixing plant recycle-water are made the present invention according to design proportion
Slurry, is excited by wet-milling and manufacture alkaline environment to its activity, so as to improve the overall activity of regenerating and modifying slurry.
4th, the present invention can be used as admixture, and concrete, wet-mixing sand can be improved applied to concrete, wet mixing mortar
Performance is starched, gel material content is reduced, with good economic benefit.
Embodiment
Technical scheme is further detailed and described below by way of embodiment.
In following embodiments, regenerative micro powder of discarded concrete by being made up, and specific fineness is：25 are tailed over by 45um~
40%；Mechanism sand powder is that obtained by Machine-made Sand producing line production mechanism sand, fineness is：25~40% are tailed over by 45um；Stalk
Lime-ash is the soaking filter residue with obtained by filtering of straw ash；Ca2SO4.2H2O is pure to analyze, and content is more than 99%；Triethanolamine
Pure to analyze, content is more than 99%；Waterglass is sodium silicate, and modulus is 2.6~2.8；Cellulose ether is hydroxypropyl methyl
Cellulose ether, viscosity is：200000mPa·s；The pH of mixing plant recycle-water is 11~13, and solid content is 1~15%；Slow setting group
It is divided at least one of sucrose, sugar calcium and sodium gluconate.
Embodiment 1
(1) each component is weighed, each component percentage by weight is：Regenerative micro powder 40%, mechanism sand powder 10%, stalk ash
15%th, activity excitant 3%, modifying agent 5% and mixing plant recycle-water 27%.
(2) the activity excitant each component weight ratio is 15: 2: 55: 30 Ca2SO4.2H2O, triethanolamine, waterglass
And water；
(3) the modifying agent each component weight ratio is 0.35: 30: 70 cellulose ether, slow setting component and water.
(4) each component of activity excitant is weighed by weight, and each component is added to the water stirring and dissolving to well mixed,
The activity excitant is made.
(5) each component of modifying agent is weighed by weight, and slow setting component, cellulose ether are slowly added to 65~75 DEG C of water
Middle stirring and dissolving, places cooling after being well mixed, the modifying agent is made.
(6) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant are weighed by weight
Recycle-water is mixed evenly, and grinding 20min through wet-milling produces the regenerating and modifying slurry composition.
Embodiment 2
(1) each component is weighed, each component percentage by weight is：Regenerative micro powder 25%, mechanism sand powder 15%, stalk ash
25%th, activity excitant 5%, modifying agent 3% and mixing plant recycle-water 27%.
(2) the activity excitant each component weight ratio is 10: 1.5: 60: 30 Ca2SO4.2H2O, triethanolamine, water glass
Glass and water；
(3) the modifying agent each component weight ratio is 0.40: 25: 75 cellulose ether, slow setting component and water.
(4) each component of activity excitant is weighed by weight, and each component is added to the water stirring and dissolving to well mixed,
The activity excitant is made.
(5) each component of modifying agent is weighed by weight, and slow setting component, cellulose ether are slowly added to 65~75 DEG C of water
Middle stirring and dissolving, places cooling after being well mixed, the modifying agent is made.
(6) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant are weighed by weight
Recycle-water is mixed evenly, and grinding 20min through wet-milling produces the regenerating and modifying slurry composition.
Embodiment 3
(1) each component is weighed, each component percentage by weight is：Regenerative micro powder 35%, mechanism sand powder 15%, stalk ash
15%th, activity excitant 3%, modifying agent 2% and mixing plant recycle-water 30%.
(2) the activity excitant each component weight ratio is 10: 1.5: 60: 30 Ca2SO4.2H2O, triethanolamine, water glass
Glass and water；
(3) the modifying agent each component weight ratio is 0.45: 27: 73 cellulose ether, slow setting component and water.
(4) each component of activity excitant is weighed by weight, and each component is added to the water stirring and dissolving to well mixed,
The activity excitant is made.
(5) each component of modifying agent is weighed by weight, and slow setting component, cellulose ether are slowly added to 65~75 DEG C of water
Middle stirring and dissolving, places cooling after being well mixed, the modifying agent is made.
(6) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant are weighed by weight
Recycle-water is mixed evenly, and grinding 20min through wet-milling produces the regenerating and modifying slurry composition.
Embodiment 4
(1) each component is weighed, each component percentage by weight is：Regenerative micro powder 35%, mechanism sand powder 13%, stalk ash
22%th, activity excitant 3%, modifying agent 2% and mixing plant recycle-water 25%.
(2) the activity excitant each component weight ratio is 13: 2: 50: 35 Ca2SO4.2H2O, triethanolamine, waterglass
And water；
(3) the modifying agent each component weight ratio is 0.38: 30: 70 cellulose ether, slow setting component and water.
(4) each component of activity excitant is weighed by weight, and each component is added to the water stirring and dissolving to well mixed,
The activity excitant is made.
(5) each component of modifying agent is weighed by weight, and slow setting component, cellulose ether are slowly added to 65~75 DEG C of water
Middle stirring and dissolving, places cooling after being well mixed, the modifying agent is made.
(6) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant are weighed by weight
Recycle-water is mixed evenly, and grinding 20min through wet-milling produces the regenerating and modifying slurry composition.
Embodiment 5
(1) each component is weighed, each component percentage by weight is：Regenerative micro powder 40%, mechanism sand powder 12%, stalk ash
18%th, activity excitant 3%, modifying agent 2% and mixing plant recycle-water 25%.
(2) the activity excitant each component weight ratio is 10: 2: 60: 28 Ca2SO4.2H2O, triethanolamine, waterglass
And water；
(3) the modifying agent each component weight ratio is 0.42: 28: 72 cellulose ether, slow setting component and water.
(4) each component of activity excitant is weighed by weight, and each component is added to the water stirring and dissolving to well mixed,
The activity excitant is made.
(5) each component of modifying agent is weighed by weight, and slow setting component, cellulose ether are slowly added to 65~75 DEG C of water
Middle stirring and dissolving, places cooling after being well mixed, the modifying agent is made.
(6) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant are weighed by weight
Recycle-water is mixed evenly, and grinding 20min through wet-milling produces the regenerating and modifying slurry composition.
Regenerating and modifying slurry composition in above-described embodiment 1 to 3 is applied to concrete, experiment match ratio is shown in Table 1, its
Middle regenerating and modifying slurry composition volume is measured admittedly for the folding of regenerating and modifying slurry, and embodiment is applied to the experimental result in concrete
It is shown in Table 2.
The concrete mix of table 1 (unit/kg)
The concrete performance index test result of table 2
Regenerating and modifying slurry composition in above-described embodiment 1 to 5 is applied to wet mixing mortar, experiment match ratio is shown in Table 3,
Wherein regenerating and modifying slurry composition volume is measured admittedly for the folding of regenerating and modifying slurry, and embodiment is applied to the experiment in wet mixing mortar
It the results are shown in Table 4.
The wet mixing mortar match ratio of table 3 (unit/kg)
The wet mixing mortar testing performance index result of table 4
The foregoing is only a preferred embodiment of the present invention, therefore can not limit the scope that the present invention is implemented according to this, i.e.,
The equivalent changes and modifications made according to the scope of the claims of the present invention and description, all should still belong in the range of the present invention covers.
Claims (7)
1. a kind of regenerating and modifying slurry composition, it is characterised in that：Ground and formed through wet-milling by the component of following parts by weight：Regeneration
The parts by weight of micro mist 25~40, the parts by weight of mechanism sand powder 10~15, the parts by weight of stalk ash 15~25, the weight of activity excitant 3~5
Measure part, the parts by weight of modifying agent 2~5 and the parts by weight of mixing plant recycle-water 25~30；Wherein,
Above-mentioned regenerative micro powder of discarded concrete by being made up, and specific fineness is：25~40% are tailed over by 45um；
Above-mentioned activity excitant by weight ratio be 10~15: 1~2: 50~60: 25~35 Ca2SO4.2H2O, triethanolamine, water
Glass and water are mixed；
Above-mentioned modifying agent by weight ratio for 0.35~0.45: 25~30: 70~75 cellulose ether, slow setting component and water mixing and
Into above-mentioned slow setting component is at least one of sucrose, sugar calcium and sodium gluconate；
The pH of above-mentioned mixing plant recycle-water is 11~13, and solid content is 1~15%.
2. a kind of regenerating and modifying slurry composition as claimed in claim 1, it is characterised in that：By the group of following percentage by weight
Lease making wet-milling, which is ground, to be formed：Regenerative micro powder 25~40%, mechanism sand powder 10~15%, stalk ash 15~25%, activity swash
Agent 3~5% and modifying agent 2~5% are sent out, surplus is mixing plant recycle-water.
3. a kind of regenerating and modifying slurry composition as claimed in claim 1 or 2, it is characterised in that：The mechanism sand powder
Fineness is：25~40% are tailed over by 45um.
4. a kind of regenerating and modifying slurry composition as claimed in claim 1 or 2, it is characterised in that：The stalk ash is straw
The soaking filter residue with obtained by filtering of stalk ash.
5. a kind of regenerating and modifying slurry composition as claimed in claim 1 or 2, it is characterised in that：The waterglass is sodium water
Glass, modulus is 2.6~2.8.
6. a kind of regenerating and modifying slurry composition as claimed in claim 1 or 2, it is characterised in that：The cellulose ether is hydroxyl
Propyl methocel ether, viscosity is：200000mPa·s.
7. a kind of preparation method of the regenerating and modifying slurry composition in claim 1 to 6 described in any claim, its feature
It is：Comprise the following steps：
(1) each component of activity excitant is weighed in proportion, and each component is added to the water stirring and dissolving to well mixed, institute is made
State activity excitant；
(2) each component of modifying agent is weighed in proportion, and slow setting component, cellulose ether are slowly added to stir in 65~75 DEG C of water
Dissolving, places cooling after being well mixed, the modifying agent is made；
(3) regenerative micro powder, mechanism sand powder, stalk ash, activity excitant, modifying agent and mixing plant recycle-water are weighed in proportion
It is mixed evenly, grinding 15~25min through wet-milling produces the regenerating and modifying slurry composition.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114907085A (en) * | 2022-04-15 | 2022-08-16 | 上海建工建材科技集团股份有限公司 | Building regenerated micro-powder non-fired ceramsite and preparation method thereof |
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| CN114907085A (en) * | 2022-04-15 | 2022-08-16 | 上海建工建材科技集团股份有限公司 | Building regenerated micro-powder non-fired ceramsite and preparation method thereof |
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